问答题 A------Chain store J ------Telephone salesB-----Consumer behavior K------Direct costsC------Consumer satisfaction L------Product qualityD------Direct selling M------Purchase decisionE------Market demand N------Added valueF------Market research O------After-sales serviceG------Target market P------Brand managementH------Brand image Q------Customer loyaltyI ------Promotion methodsExamples：(C)消费者满意度 (Q)消费者忠诚度《问题》：( )直接成本 ( )消费者行为